A Prospective, Randomized Multicenter, Open-label Comparison of Preoperative Trastuzumab Emtansine (T-DM1) With or Without Standard Endocrine Therapy vs. Trastuzumab With Standard Endocrine Therapy Given for Twelve Weeks in Patients With Operable HER2+/HR+ Breast Cancer Within the ADAPT Protocol.

Summary

Trial to optimize neoadjuvant therapy for HER overexpression and co-expressing of hormone receptors(ER and/or PR) breast cancer (HEr2+/HR+). A new high potential trastuzumab conjugate T-DM1(trastuzumab was linked with the cytotoxic agent mertansine DM1)was tested with endocrine therapy and without against a standard arm with trastuzumab and endocrine therapy.

Timeline

Start

2012-11

Primary completion

2015-02

Completion

2025-01-15

Publications

• Background Hofmann D, Nitz U, Gluz O, Kates RE, Schinkoethe T, Staib P, Harbeck N. WSG ADAPT - adjuvant dynamic marker-adjusted personalized therapy trial optimizing risk assessment and therapy response prediction in early breast cancer: study protocol for a prospective, multi-center, controlled, non-blinded, randomized, investigator initiated phase II/III trial. Trials. 2013 Aug 19;14:261. doi: 10.1186/1745-6215-14-261.

Drugs

Indications